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Vacuum impregnation equipment

Vacuum impregnation equipment
Product name:Vacuum impregnation equipment
This kind of equipment is mainly used for insulation treatment to electrical products, such as high voltage motor, wind turbines, H-grade dry transformer, power capacitor and cable insulation materials, etc.
For example, coil windings for motor or transformer can be evaporated at vacuum phase to reduce influence of insulation from moisture, air and other impurities. In the pressure impregnation phase, resin can be immersed into insulation structure inner side thoroughly under pressure and thus the whole insulation become stronger, and so insulation grade is increased and electric performance of product will be improved.
It also applies in material industry for modifying material and improving structure to achieve raising material performance. For example, through vacuum pressure impregnation, increase compactness of graphite so to raise strength and resistance characteristic of graphite products; Through vacuum pressure impregnation on automotive engine castings and high pressure valves, thoroughly solve micro-leakage; On fire bricks and woods by different material (such as bitumen, aseptic, etc.), material properties can be changed for different purpose.

Equipment Classification
 ●Vacuum pressure impregnation equipment for wind turbines, driven motors, HV motors
 ●Vacuum pressure impregnation equipment for dry type transformers
 ●Vacuum pressure impregnation equipment for dry type bushings, capacitors
 ●Other vacuum pressure impregnation equipment

Technology Advantages
- Easily evaporate moisture and air
- Residual water rate less than 10ppm, good insulation performance
- Good humidity resistance
- High dielectric property
- Impregnation can be reused to reduce environmental pollution
- Short impregnation time, good result

Equipment Features
- Syncretizing different technologies of pressure vessel, vacuum, pressurization, refrigeration, heating and automation together
- PLC or industrial computer control, automatically measuring and controlling.
- Equipped with safety alarm and interlock protection devices

Working Principle
First, put workpieces into the vacuum pressure tank, evacuate the moisture and air from workpieces under vacuum condition. Then fill impregnation liquid into vacuum tank by pressure difference or pump. In order to impregnate fully, add certain pressure to let impregnation liquid impregnate into gaps of workpiece.

dry-type transformer vacuum pressure 
impregnation equipment

Vacuum pressure impregnation equipment 
for express train driven motors


Vacuum pressure impregnation equipment 
for express train driven motors

Vacuum pressure impregnation equipment 
for wind turbines


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